This name is a synonym of Austromyrtus tenuifolia (Sm.) Burret.
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 132826) with original publication details: Trans. Linn. Soc. London 3: 280 1797.
Full publication details for this name can be found in IPNI: http://ipni.org/urn:lsid:ipni.org:names:600257-1.
This name was in version 1 of The Plant List, record kew-132826, and has not been changed.